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All organisms have DNA, which differs only in the number and order of each type of nucleotide. This suggests that all organisms have

A) a common ancestor.
B) the same amount of DNA.
C) the same types of proteins.
D) a common reproductive cycle.

User Vincet
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2 Answers

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all organisms have A) a common ancestor
User Plc
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A) a common ancestor
User Sanka Geethanjana
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